公制内螺纹(6H)常用规格极限尺寸表(粗牙)

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公称直径×螺距
螺纹精度等级
大径
: a1 G0 s& u- x7 n# C中径
小径
* K) }" s) E; a攻丝前钻头直径
最小
最大
" G4 u% r- [$ f# O" E+ B3 x, b: G最小
* I6 d2 t0 W6 D) Z最大
. z8 d  k+ p, y最小
M3×0.5
6H
3.000
2.775
1 k# @  v4 Y8 ^7 t& y2.675
$ o" {" q, e5 N; y3 W* X2.599
# }$ I  q' F9 w( e' u; ?- V' S: l2.459
2.500
! ], E' Q- R5 [5 o  o( BM4×0.7
4.000
4 Z! \. e/ ]/ |( x3.663
$ K% U2 H; P  Q3 J9 D# A8 V3.545
# o* V. B8 g( E3 R, T, k3 K3.422
1 m  b8 }$ ?6 R" s3 u3.242
3.300
1 e7 z# }* ~- W4 k, s4 rM5×0.8
5.000
. B, t# D6 x% [9 \4 u& F$ S4.605
3 o7 D  c# A4 W) d( b1 y4.480
9 B! Y1 z- U0 K5 l! Y& c% [  y' e4.334
" L: }6 i$ J+ P% D6 Z4.134
( @6 G, ~$ g9 k, t4.200
: K4 S5 `, Z6 P) ~) ?. G: @9 {  h, LM6×1
6 b: w5 }( Y2 z7 w! C! m& {6.000
5.500
, U/ o  T9 N1 w. C4 r; i5.350
5.153
# f* K; n" B, w6 i5 q6 Y4.917
+ h% \) A4 H3 f5.000
8 R' E9 h# v* Q! v6 L5 T# ~M8×1.25
% Z( S1 ^1 {, \  J9 D8.000
7.348
7.188
6.912
6.647
6.800
! j* I( o9 K- E& W) x3 J& ?M10×1.5
10.000
9.206
  t4 A& A/ D' q% s* s9.026
8.676
8.376
; a& ~( F7 k8 z* V/ J+ W5 j8.500
8 v, v2 L& x6 i, d9 C! U; zM12×1.75
12.000
11.063
/ L3 l' F/ p6 x. Y" v10.863
10.441
10.106
10.200
7 k* C% ?; u: k8 S0 H7 BM14×2
14.000
12.913
12.701
5 E' c2 _/ d  I1 _1 H! r12.210
/ e) Q+ e) P& Q" w0 a11.835
12.000
& k0 B( ?; i2 ?* v+ WM16×2
. i# `+ M! G2 t* x2 F! C2 Y16.000
14.913
5 Z8 |$ B: U, g* [! c14.701
14.210
13.835
14.000
M18×2.5
18.000
8 i. t1 p5 ^! j: O16.600
16.376
2 w& f, M0 k% k" }! g% f+ k1 j3 t+ m15.744
15.294
15.500
M20×2.5
9 W- h5 V. Z: A; w20.000
18.600
, q" r  v' Q' R- P2 m( Q# V  I18.376
& A  z! i7 g( O) W; c17.744
17.294
; I& g) W: ]0 ?4 b4 A) T17.500
M22×2.5
22.000
0 a1 U5 \& |( n6 k: L) {1 L8 g20.600
4 j3 Z8 ^9 e+ s; l6 Y1 N20.376
19.744
19.294
9 k" Z: r9 Z$ v3 s+ G19.500
M24×3
( `4 T. H4 E9 K# v. y24.000
22.316
22.051
' T, r9 T, R& p  V21.252
6 v' s' [% f1 c1 l1 C20.752
21.000
) |) j9 v- }: O+ Q& `. [% pM27×3
% y2 ], V" z6 m1 R0 x% R27.000
% A  d; x2 g# q# L3 D  B) \25.316
25.051
24.252
23.752
24.000
9 d# J/ `- n% y+ c9 E文章关键词： 粗牙